Home / 20,245,590.20-30,344,765.70-8,109,052.40

Finding the Fourth Proportional to 20,245,590.20, 30,344,765.70 and 8,109,052.40

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Solution

The fourth proportional to 20,245,590.20, 30,344,765.70 and 8,109,052.40 is: 12,154,118.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,245,590.20 : 30,344,765.70 = 8,109,052.40 : x
  2. Step 2: Convert to fraction form
    20,245,590.20/30,344,765.70 = 8,109,052.40/x
  3. Step 3: Cross multiply
    20,245,590.20x = 30,344,765.70 × 8,109,052.40
  4. Step 4: Simplify right side
    20,245,590.20x = 246,067,295,127,022.69
  5. Step 5: Solve for x
    x = 246,067,295,127,022.69/20,245,590.20
  6. Step 6: Final answer
    x = 12,154,118.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.